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Topic (Course) 
Technology 
Type 
$? 
Rating 

Percent Mixture Problems (Alge...

Proportions (Math 7) 
Flash 
Support Material 

[0]

This minilesson explains how to work with percent mixture problems.
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Consumer Price Index (CPI) Inf...

Proportions (Math 7) 
Java Applet 
Tool 

[0]

This is an inflation calculator for adjusting costs from one year to another using the Consumer Price Index (CPI) inflation index. This inflation calculator is based on the average inflation index dur...
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Distance, Rate, and Time

Proportions (Math 7) 
JavaScript 
Tool 

[0]

The user learns about rates and how to use formulas for solving word problems. After viewing examples, users can interactively practice problems using proportions or the distance formula to find the m...
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Gross Domestic Product Deflato...

Proportions (Math 7) 
JavaScript 
Tool 

[0]

This is an inflation calculator for adjusting costs from one year to another using the Gross Domestic Product (GDP) Deflator inflation index. This inflation calculator is based on the inflation rate d...
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How much did it cost back in?

Proportions (Math 7) 
Computer 
Tool 

[0]

This WolframAlpha widget calculates and displays the current value of a historical amount of money.
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Proportions

Proportions (Math 7) 
JavaScript 
Tool 

[0]

The user reviews the definition of proportions and how to take the cross product. After viewing examples, users can practice finding the cross product to solve for the missing number in the proportion...
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Ratios and Proportions Unit Qu...

Proportions (Math 7) 
JavaScript 
Tool 

[0]

The user takes an online interactive quiz on ratios, proportions, rates, and similar figures.
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Similar Figures

Proportions (Math 7) 
JavaScript 
Tool 

[0]

The user learns what similar figures are and how to determine if two figures are similar. After viewing examples, users can interactively practice determining the length of the missing side of two sim...
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Tip Jar

Proportions (Math 7) 
Computer 
Tool 

[0]

What's the deal with all the tip calculators in the App Store? Is calculating 15% hard? Nope, and this lesson uses percents to explore the math of eatingand workingin a restaurant, from leaving ti...
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Sketchpad Activities for Intro...

Proving limits (Calculus) 
Sketchpad 
Activity 

[0]

Sketchpad Activities for Introducing Calculus Topics is a series of five activities designed to introduce students to the basic concepts of calculus. Use these activities near the end of Precalculus c...
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EpsilonDelta.java

Proving limits (Calculus) 
Java Applet 
Support Material 

[0]

Source code for the EpsilonDelta applet.
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Definition of Limits

Proving limits (Calculus) 
Flash 
Tool 

[0]

Animated explanation of the formal definition of a limit.
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Definition of Limits

Proving limits (Calculus) 
Flash 
Tool 

[0]

Solution to a problem using the deltaepsilon definition of a limit: given a specific epsilon, what is an appropriate choice of delta for the given function?
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Definition of Limits

Proving limits (Calculus) 
Flash 
Tool 

[0]

Solution to a problem using the deltaepsilon definition of a limit: given a specific epsilon, what is an appropriate choice of delta for the given function?
More: lessons, discussions, ratings, reviews,...

Definition of Limits

Proving limits (Calculus) 
Flash 
Tool 

[0]

Solution to a problem using the deltaepsilon definition of a limit: given epsilon, what is an appropriate choice of delta for the given function?
More: lessons, discussions, ratings, reviews,...

Definition of Limits

Proving limits (Calculus) 
Flash 
Tool 

[0]

Solution to a problem using the deltaepsilon definition of a limit: given epsilon, what is an appropriate choice of delta for the given function?
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Derivatives of Trigonometric F...

Proving limits (Calculus) 
Flash 
Tool 

[0]

Animated proof that the limit as t approaches 0 of sin(t)/t is 1.
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EpsilonDelta Applet

Proving limits (Calculus) 
Java Applet 
Tool 

[1]

Use graphs to investigate the epsilondelta definition of a limit. Extensive directions for customizing the applet.
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Graphical Introduction to Limi...

Proving limits (Calculus) 
Flash 
Tool 

[0]

Investigate the distance between two points on a line and absolute value.
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Graphical Introduction to Limi...

Proving limits (Calculus) 
Flash 
Tool 

[0]

Animated introduction to the epsilondelta definition of a limit, using graphs.
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Graphical Introduction to Limi...

Proving limits (Calculus) 
Flash 
Tool 

[0]

Animated proof that a particular function does not have a limit at a certain value.
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Graphical Introduction to Limi...

Proving limits (Calculus) 
Flash 
Tool 

[0]

Animated proof that the function f(x) = 1/(x2) does not have a limit at x=2.
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Limit Theorems

Proving limits (Calculus) 
Flash 
Tool 

[0]

A collection of animated explanations of various theorems about limits of functions.
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Limits with Delta and Epsilon

Proving limits (Calculus) 
Sketchpad 
Tool 

[0]

This activity builds on the previous activity, Limits with Tables. Students investigate limits using tools for controlling delta and epsilon, giving them a concrete, handson understanding of the form...
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Limits: A Formal View

Proving limits (Calculus) 
Java Applet 
Tool 

[0]

A Java applet that presents the formal, epsilon/delta definition of limits, with exercises and questions to answer with the applet. Includes a rescalable presentation version with larger fonts.
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